1 files changed, 68 insertions, 0 deletions
diff --git a/org.eclipse.m2e.jdt/src/org/eclipse/m2e/jdt/DownloadSourcesActionDelegate.java b/org.eclipse.m2e.jdt/src/org/eclipse/m2e/jdt/DownloadSourcesActionDelegate.java
new file mode 100644
index 00000000..c9b1428f
--- /dev/null
+++ b/org.eclipse.m2e.jdt/src/org/eclipse/m2e/jdt/DownloadSourcesActionDelegate.java
@@ -0,0 +1,68 @@
+/*******************************************************************************
+ * Copyright (c) 2008-2010 Sonatype, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *      Sonatype, Inc. - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.m2e.jdt;
+
+import org.eclipse.jdt.core.IJavaElement;
+import org.eclipse.jdt.core.IPackageFragmentRoot;
+import org.eclipse.jdt.internal.ui.javaeditor.IClassFileEditorInput;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.ui.IEditorActionDelegate;
+import org.eclipse.ui.IEditorPart;
+
+import org.eclipse.m2e.core.core.MavenLogger;
+
+/**
+ * 
+ * DownloadSourcesActionDelegate
+ *
+ * @author Anton Kraev
+ */
+
+@SuppressWarnings("restriction")
+public class DownloadSourcesActionDelegate implements IEditorActionDelegate {
+
+  public void setActiveEditor(IAction action, IEditorPart part) {
+
+    if (part != null) {
+      try {
+        BuildPathManager buildpathManager = MavenJdtPlugin .getDefault().getBuildpathManager();
+
+        IClassFileEditorInput input = (IClassFileEditorInput) part.getEditorInput();
+        IJavaElement element = input.getClassFile();
+        while (element.getParent() != null) {
+          element = element.getParent();
+          if (element instanceof IPackageFragmentRoot) {
+            IPackageFragmentRoot root = (IPackageFragmentRoot) element;
+
+            if (root.getSourceAttachmentPath() != null) {
+              // do nothing if sources attached already
+              break;
+            }
+
+            buildpathManager.scheduleDownload(root, true/*sources*/, false/*javadoc*/);
+          }
+        }
+      } catch(Exception ex) {
+        MavenLogger.log("Could not schedule source download", ex); //$NON-NLS-1$
+      }
+    }
+  }
+
+  public void run(IAction action) {
+    // no need to do anything
+  }
+
+  public void selectionChanged(IAction action, ISelection selection) {
+    // no need to do anything
+  }
+
+}